Math, asked by dharshini6523, 1 year ago

What is the area of a circle with diameter 21cm

Answers

Answered by dev12092003

1

1386 cm² is the area of the circle

Answered by richukumari980pe65gw

4

Answer:

346.5 cm2

Step-by-step explanation:

Given that,

Diametre =21 cm

Than,radius =21/2

Now,

The area of circle is pie×r^2

So,

Thr area of given circle =22/7×(21/2)^2cm2

=(22/7×441/4)cm2

=346.5cm2

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